.web {
  width: 1200px;
  margin: 0 auto;
  background: #f4f4f4; }

.top {
  height: 60px; }

.top_logo {
  margin-left: 22px;
  margin-top: 22px;
  display: inline-block; }

.nav {
  margin-left: 135px;
  margin-top: 22px;
  display: inline-block; }

.nav li {
  float: left;
  margin-right: 56px; }

.nav a {
  color: #4e4e4e;
  font-size: 14px; }

.nav a:hover {
  color: #868686; }

.top_ico {
  margin-left: 163px;
  display: inline-block; }

footer {
  border-top: 1px solid #e1e1e1;
  width: 1200px; }

.foot_le {
  display: flex;
  padding-left: 12px;
  padding-top: 61px;
  width: 744px;
  height: 136px; }

.foot_le dt {
  font-size: 14px;
  color: #3c3c3c;
  display: inline-block;
  margin-bottom: 17px; }

.foot_le dd {
  list-style: none; }
  .foot_le dd a {
    font-size: 14px;
    color: #8a8a8a;
    display: block;
    line-height: 30px;
    letter-spacing: 1px; }

.foot_le dl {
  display: inline-block;
  float: left;
  width: 140px;
  margin-right: 42px; }

.foot_ri {
  display: inline-block;
  margin-top: 57px;
  float: right;
  text-align: right; }

.foot_ri section {
  margin-top: -5px;
  margin-bottom: 20px; }

.foot_ri a {
  text-align: center;
  background: #666666;
  width: 173px;
  color: #fff;
  height: 51px;
  line-height: 51px;
  border-radius: 25px; }

.foot_ri span {
  color: white;
  font-size: 14px; }

.foot_le h3 {
  color: #333333;
  font-size: 18px;
  display: block;
  padding-top: 22px; }

.banner {
  position: relative;
  top: 0;
  left: 0;
  width: 1200px;
  height: 100%; }

.banner_tex {
  position: absolute;
  top: 245px;
  right: 136px;
  text-align: center; }

.banner_tex h2 {
  color: #333333;
  margin-bottom: 16px;
  font-size: 38px;
  line-height: 1; }

.banner_tex p {
  line-height: 1;
  margin-bottom: 16px;
  font-size: 18px;
  color: #747474; }

.banner_tex a {
  width: 124px;
  height: 36px;
  line-height: 36px;
  border-radius: 20px;
  margin: 0 15px;
  font-size: 16px;
  text-align: center;
  background: #05b570;
  color: white;
  display: block;
  margin-top: 32px;
  margin-left: 88px; }

.zt_one {
  margin: 0 auto;
  font-weight: 400;
  text-align: center;
  position: relative;
  margin-top: 52px; }

.zt_one_wenzi {
  position: absolute;
  text-align: center;
  display: inline-block;
  right: 204px;
  top: 107px; }

.zt_one_wenzi h3 {
  margin-bottom: 15px;
  color: #929292;
  font-size: 18px; }

.zt_one_wenzi p {
  color: #494949;
  font-size: 30px;
  font-weight: bold;
  margin-bottom: 32px; }

.zt_one_wenzi span {
  margin-top: 52px;
  margin-bottom: 22px;
  display: block;
  font-size: 20px; }

.zt_one_wenzi a {
  background: #05B570;
  text-align: center;
  color: white;
  display: block;
  width: 148px;
  height: 44px;
  font-size: 16px;
  border-radius: 20px;
  line-height: 44px;
  margin-left: 69px; }

.zt_two {
  margin: 0 auto;
  font-weight: 400;
  text-align: center;
  position: relative;
  margin-top: 20px; }

.zt_two_wenzi {
  position: absolute;
  text-align: center;
  display: inline-block;
  left: 204px;
  top: 107px; }

.zt_two_wenzi h3 {
  margin-bottom: 15px;
  color: #929292;
  font-size: 18px; }

.zt_two_wenzi p {
  color: #494949;
  font-size: 30px;
  font-weight: bold;
  margin-bottom: 32px; }

.zt_two_wenzi span {
  margin-top: 52px;
  margin-bottom: 22px;
  display: block;
  font-size: 20px; }

.zt_two_wenzi a {
  background: #05B570;
  text-align: center;
  color: white;
  display: block;
  width: 148px;
  height: 44px;
  font-size: 16px;
  border-radius: 20px;
  line-height: 44px;
  margin-left: 40px; }

.chanpin {
  margin-top: 37px;
  text-align: center;
  width: 894px;
  margin: 0 auto; }

.chanpin_xx {
  width: 437px;
  height: 589px;
  background: white;
  margin-top: 38px;
  display: inline-block; }

.you {
  margin-right: 15px; }

.chanpin_xx img {
  margin-top: 65px; }

.color-li {
  background: skyblue;
  height: 27px;
  margin-top: 54px; }

.zzz {
  margin-top: 29px; }

.zzz h3 {
  font-size: 26px;
  color: #333333; }

.zzz p {
  color: #414141;
  font-size: 13px;
  letter-spacing: 3px;
  margin-top: 12px;
  margin-bottom: 26px; }

.zzz span {
  font-size: 18px;
  color: #606060;
  letter-spacing: 2px; }
